pfSense

Fixed #6704

(cherry picked from commit fd778d8bef8ea3b0e5dcc8007de242b6e2ac6d5a)

Fixed to properly save configs in PPPs interfaces

Pass along send_smtp_message() return, otherwise message will not be shown when testing SMTP settings

Fix wording of the "Reject leases from" option for a DHCP interface.

Text typo

Noted by Daryl Morse in comment on Redmine bug 6637.
(cherry picked from commit bf6ae0ad277710ffa64ee0967c5d4f717c2bc54b)

Verify if interface is active gw for gw group before update dynamic DNS

pfSense.css: Fix sortable tables' font

Experiment using the OS' native font stack

Following the steps of bfbfa4dd254c110db4122925d0a3716a34d4c664,
experiment using the OS' native font stack.

Obtained from the Bootstrap project (twbs/bootstrap#19098,
twbs/bootstrap@0a31dacf3e0c43a73b2e61e266155b9dcce35339)

Fix a redundant HTTP "User-Agent" string.

CURLOPT_USERAGENT expect the value to the user-agent string, not the entire key-value pair.
Before this fix, HTTP header "User-Agent: User-Agent: phpDynDNS/0.7" was sent for DDNS updates.
NGINX configuration at GratisDNS will not accept a user-agent formatted in the above way....

Add a field to CA/Cert pages for OU, which is required by some external CAs and users. Fixes #6672